xref: /openbsd/sys/dev/ic/rtl81x9reg.h (revision 3d8817e4)
1 /*	$OpenBSD: rtl81x9reg.h,v 1.74 2011/04/14 21:06:38 jsg Exp $	*/
2 
3 /*
4  * Copyright (c) 1997, 1998
5  *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Bill Paul.
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32  * THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  * $FreeBSD: src/sys/pci/if_rlreg.h,v 1.14 1999/10/21 19:42:03 wpaul Exp $
35  */
36 
37 /*
38  * RealTek 8129/8139 register offsets
39  */
40 #define	RL_IDR0		0x0000		/* ID register 0 (station addr) */
41 #define RL_IDR1		0x0001		/* Must use 32-bit accesses (?) */
42 #define RL_IDR2		0x0002
43 #define RL_IDR3		0x0003
44 #define RL_IDR4		0x0004
45 #define RL_IDR5		0x0005
46 					/* 0006-0007 reserved */
47 #define RL_MAR0		0x0008		/* Multicast hash table */
48 #define RL_MAR1		0x0009
49 #define RL_MAR2		0x000A
50 #define RL_MAR3		0x000B
51 #define RL_MAR4		0x000C
52 #define RL_MAR5		0x000D
53 #define RL_MAR6		0x000E
54 #define RL_MAR7		0x000F
55 
56 #define RL_TXSTAT0	0x0010		/* status of TX descriptor 0 */
57 #define RL_TXSTAT1	0x0014		/* status of TX descriptor 1 */
58 #define RL_TXSTAT2	0x0018		/* status of TX descriptor 2 */
59 #define RL_TXSTAT3	0x001C		/* status of TX descriptor 3 */
60 
61 #define RL_TXADDR0	0x0020		/* address of TX descriptor 0 */
62 #define RL_TXADDR1	0x0024		/* address of TX descriptor 1 */
63 #define RL_TXADDR2	0x0028		/* address of TX descriptor 2 */
64 #define RL_TXADDR3	0x002C		/* address of TX descriptor 3 */
65 
66 #define RL_RXADDR		0x0030	/* RX ring start address */
67 #define RL_RX_EARLY_BYTES	0x0034	/* RX early byte count */
68 #define RL_RX_EARLY_STAT	0x0036	/* RX early status */
69 #define RL_COMMAND	0x0037		/* command register */
70 #define RL_CURRXADDR	0x0038		/* current address of packet read */
71 #define RL_CURRXBUF	0x003A		/* current RX buffer address */
72 #define RL_IMR		0x003C		/* interrupt mask register */
73 #define RL_ISR		0x003E		/* interrupt status register */
74 #define RL_TXCFG	0x0040		/* transmit config */
75 #define RL_RXCFG	0x0044		/* receive config */
76 #define RL_TIMERCNT	0x0048		/* timer count register */
77 #define RL_MISSEDPKT	0x004C		/* missed packet counter */
78 #define RL_EECMD	0x0050		/* EEPROM command register */
79 #define RL_CFG0		0x0051		/* config register #0 */
80 #define RL_CFG1		0x0052		/* config register #1 */
81 #define RL_CFG2		0x0053		/* config register #2 */
82 #define RL_CFG3		0x0054		/* config register #3 */
83 #define RL_CFG4		0x0055		/* config register #4 */
84 #define RL_CFG5		0x0056		/* config register #5 */
85 					/* 0057 reserved */
86 #define RL_MEDIASTAT	0x0058		/* media status register (8139) */
87 					/* 0059-005A reserved */
88 #define RL_MII		0x005A		/* 8129 chip only */
89 #define RL_HALTCLK	0x005B
90 #define RL_MULTIINTR	0x005C		/* multiple interrupt */
91 #define RL_PCIREV	0x005E		/* PCI revision value */
92 					/* 005F reserved */
93 #define RL_TXSTAT_ALL	0x0060		/* TX status of all descriptors */
94 
95 #define RL_CSIDR	0x0064
96 #define RL_CSIAR	0x0068
97 
98 /* Direct PHY access registers only available on 8139 */
99 #define RL_BMCR		0x0062		/* PHY basic mode control */
100 #define RL_BMSR		0x0064		/* PHY basic mode status */
101 #define RL_ANAR		0x0066		/* PHY autoneg advert */
102 #define RL_LPAR		0x0068		/* PHY link partner ability */
103 #define RL_ANER		0x006A		/* PHY autoneg expansion */
104 
105 #define RL_DISCCNT	0x006C		/* disconnect counter */
106 #define RL_FALSECAR	0x006E		/* false carrier counter */
107 #define RL_NWAYTST	0x0070		/* NWAY test register */
108 #define RL_RX_ER	0x0072		/* RX_ER counter */
109 #define RL_CSCFG	0x0074		/* CS configuration register */
110 
111 /*
112  * When operating in special C+ mode, some of the registers in an
113  * 8139C+ chip have different definitions. These are also used for
114  * the 8169 gigE chip.
115  */
116 #define RL_DUMPSTATS_LO	0x0010	/* counter dump command register */
117 #define RL_DUMPSTATS_HI	0x0014	/* counter dump command register */
118 #define RL_TXLIST_ADDR_LO	0x0020	/* 64 bits, 256 byte alignment */
119 #define RL_TXLIST_ADDR_HI	0x0024	/* 64 bits, 256 byte alignment */
120 #define RL_TXLIST_ADDR_HPRIO_LO	0x0028	/* 64 bits, 256 byte aligned */
121 #define RL_TXLIST_ADDR_HPRIO_HI	0x002C	/* 64 bits, 256 byte aligned */
122 #define RL_TIMERINT		0x0054	/* interrupt on timer expire */
123 #define RL_TXSTART		0x00D9	/* 8 bits */
124 #define RL_CPLUS_CMD		0x00E0	/* 16 bits */
125 #define RL_RXLIST_ADDR_LO	0x00E4	/* 64 bits, 256 byte alignment */
126 #define RL_RXLIST_ADDR_HI	0x00E8	/* 64 bits, 256 byte alignment */
127 #define RL_EARLY_TX_THRESH	0x00EC	/* 8 bits */
128 
129 /*
130  * Registers specific to the 8169 gigE chip
131  */
132 #define RL_GTXSTART		0x0038	/* 8 bits */
133 #define RL_TIMERINT_8169	0x0058	/* different offset than 8139 */
134 #define RL_PHYAR		0x0060
135 #define RL_TBICSR		0x0064
136 #define RL_TBI_ANAR		0x0068
137 #define RL_TBI_LPAR		0x006A
138 #define RL_GMEDIASTAT		0x006C	/* 8 bits */
139 #define RL_MACDBG		0x006D	/* 8 bits */
140 #define RL_GPIO			0x006E	/* 8 bits */
141 #define RL_PMCH			0x006F	/* 8 bits */
142 #define RL_LDPS			0x0082	/* Link Down Power Saving */
143 #define RL_MAXRXPKTLEN		0x00DA	/* 16 bits, chip multiplies by 8 */
144 #define RL_IM			0x00E2
145 
146 /*
147  * TX config register bits
148  */
149 #define RL_TXCFG_CLRABRT	0x00000001	/* retransmit aborted pkt */
150 #define RL_TXCFG_MAXDMA		0x00000700	/* max DMA burst size */
151 #define RL_TXCFG_CRCAPPEND	0x00010000	/* CRC append (0 = yes) */
152 #define RL_TXCFG_LOOPBKTST	0x00060000	/* loopback test */
153 #define RL_TXCFG_IFG2		0x00080000	/* 8169 only */
154 #define RL_TXCFG_IFG		0x03000000	/* interframe gap */
155 #define RL_TXCFG_HWREV		0x7C800000
156 
157 #define RL_LOOPTEST_OFF		0x00000000
158 #define RL_LOOPTEST_ON		0x00020000
159 #define RL_LOOPTEST_ON_CPLUS	0x00060000
160 
161 /* Known revision codes. */
162 
163 #define RL_HWREV_8169		0x00000000
164 #define RL_HWREV_8169S		0x00800000
165 #define RL_HWREV_8110S		0x04000000
166 #define RL_HWREV_8169_8110SB	0x10000000
167 #define RL_HWREV_8169_8110SCd	0x18000000
168 #define RL_HWREV_8401E		0x24000000
169 #define RL_HWREV_8102EL		0x24800000
170 #define RL_HWREV_8102EL_SPIN1	0x24C00000
171 #define RL_HWREV_8168D		0x28000000
172 #define RL_HWREV_8168DP		0x28800000
173 #define RL_HWREV_8168E		0x2C000000
174 #define RL_HWREV_8168E_VL	0x2C800000
175 #define RL_HWREV_8168_SPIN1	0x30000000
176 #define RL_HWREV_8100E_SPIN1	0x30800000
177 #define RL_HWREV_8101E		0x34000000
178 #define RL_HWREV_8102E		0x34800000
179 #define	RL_HWREV_8103E		0x34C00000
180 #define RL_HWREV_8168_SPIN2	0x38000000
181 #define RL_HWREV_8168_SPIN3	0x38400000
182 #define RL_HWREV_8100E_SPIN2	0x38800000
183 #define RL_HWREV_8168C		0x3c000000
184 #define RL_HWREV_8168C_SPIN2	0x3c400000
185 #define RL_HWREV_8168CP		0x3c800000
186 #define RL_HWREV_8105E		0x40800000
187 #define RL_HWREV_8139		0x60000000
188 #define RL_HWREV_8139A		0x70000000
189 #define RL_HWREV_8139AG		0x70800000
190 #define RL_HWREV_8139B		0x78000000
191 #define RL_HWREV_8130		0x7C000000
192 #define RL_HWREV_8139C		0x74000000
193 #define RL_HWREV_8139D		0x74400000
194 #define RL_HWREV_8139CPLUS	0x74800000
195 #define RL_HWREV_8101		0x74c00000
196 #define RL_HWREV_8100		0x78800000
197 #define RL_HWREV_8169_8110SBL	0x7cc00000
198 #define RL_HWREV_8169_8110SCe	0x98000000
199 
200 #define RL_TXDMA_16BYTES	0x00000000
201 #define RL_TXDMA_32BYTES	0x00000100
202 #define RL_TXDMA_64BYTES	0x00000200
203 #define RL_TXDMA_128BYTES	0x00000300
204 #define RL_TXDMA_256BYTES	0x00000400
205 #define RL_TXDMA_512BYTES	0x00000500
206 #define RL_TXDMA_1024BYTES	0x00000600
207 #define RL_TXDMA_2048BYTES	0x00000700
208 
209 /*
210  * Transmit descriptor status register bits.
211  */
212 #define RL_TXSTAT_LENMASK	0x00001FFF
213 #define RL_TXSTAT_OWN		0x00002000
214 #define RL_TXSTAT_TX_UNDERRUN	0x00004000
215 #define RL_TXSTAT_TX_OK		0x00008000
216 #define RL_TXSTAT_EARLY_THRESH	0x003F0000
217 #define RL_TXSTAT_COLLCNT	0x0F000000
218 #define RL_TXSTAT_CARR_HBEAT	0x10000000
219 #define RL_TXSTAT_OUTOFWIN	0x20000000
220 #define RL_TXSTAT_TXABRT	0x40000000
221 #define RL_TXSTAT_CARRLOSS	0x80000000
222 
223 /*
224  * Interrupt status register bits.
225  */
226 #define RL_ISR_RX_OK		0x0001
227 #define RL_ISR_RX_ERR		0x0002
228 #define RL_ISR_TX_OK		0x0004
229 #define RL_ISR_TX_ERR		0x0008
230 #define RL_ISR_RX_OVERRUN	0x0010
231 #define RL_ISR_PKT_UNDERRUN	0x0020
232 #define RL_ISR_LINKCHG		0x0020	/* 8169 only */
233 #define RL_ISR_FIFO_OFLOW	0x0040
234 #define RL_ISR_TX_DESC_UNAVAIL	0x0080	/* C+ only */
235 #define RL_ISR_SWI		0x0100	/* C+ only */
236 #define RL_ISR_CABLE_LEN_CHGD	0x2000
237 #define RL_ISR_PCS_TIMEOUT	0x4000	/* 8129 only */
238 #define RL_ISR_TIMEOUT_EXPIRED	0x4000
239 #define RL_ISR_SYSTEM_ERR	0x8000
240 
241 #define RL_INTRS	\
242 	(RL_ISR_TX_OK|RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|		\
243 	RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW|	\
244 	RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR)
245 
246 #define RL_INTRS_CPLUS	\
247 	(RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|			\
248 	RL_ISR_RX_OVERRUN|RL_ISR_FIFO_OFLOW|RL_ISR_LINKCHG|		\
249 	RL_ISR_SYSTEM_ERR|RL_ISR_TX_OK)
250 
251 #define RL_INTRS_TIMER							\
252 	(RL_ISR_RX_ERR|RL_ISR_TX_ERR|					\
253 	RL_ISR_LINKCHG|RL_ISR_SYSTEM_ERR|				\
254 	RL_ISR_TIMEOUT_EXPIRED)
255 
256 /*
257  * Media status register. (8139 only)
258  */
259 #define RL_MEDIASTAT_RXPAUSE	0x01
260 #define RL_MEDIASTAT_TXPAUSE	0x02
261 #define RL_MEDIASTAT_LINK	0x04
262 #define RL_MEDIASTAT_SPEED10	0x08
263 #define RL_MEDIASTAT_RXFLOWCTL	0x40	/* duplex mode */
264 #define RL_MEDIASTAT_TXFLOWCTL	0x80	/* duplex mode */
265 
266 /*
267  * Receive config register.
268  */
269 #define RL_RXCFG_RX_ALLPHYS	0x00000001	/* accept all nodes */
270 #define RL_RXCFG_RX_INDIV	0x00000002	/* match filter */
271 #define RL_RXCFG_RX_MULTI	0x00000004	/* accept all multicast */
272 #define RL_RXCFG_RX_BROAD	0x00000008	/* accept all broadcast */
273 #define RL_RXCFG_RX_RUNT	0x00000010
274 #define RL_RXCFG_RX_ERRPKT	0x00000020
275 #define RL_RXCFG_WRAP		0x00000080
276 #define RL_RXCFG_MAXDMA		0x00000700
277 #define RL_RXCFG_BURSZ		0x00001800
278 #define	RL_RXCFG_FIFOTHRESH	0x0000E000
279 #define RL_RXCFG_EARLYTHRESH	0x07000000
280 
281 #define RL_RXDMA_16BYTES	0x00000000
282 #define RL_RXDMA_32BYTES	0x00000100
283 #define RL_RXDMA_64BYTES	0x00000200
284 #define RL_RXDMA_128BYTES	0x00000300
285 #define RL_RXDMA_256BYTES	0x00000400
286 #define RL_RXDMA_512BYTES	0x00000500
287 #define RL_RXDMA_1024BYTES	0x00000600
288 #define RL_RXDMA_UNLIMITED	0x00000700
289 
290 #define RL_RXBUF_8		0x00000000
291 #define RL_RXBUF_16		0x00000800
292 #define RL_RXBUF_32		0x00001000
293 #define RL_RXBUF_64		0x00001800
294 
295 #define RL_RXFIFO_16BYTES	0x00000000
296 #define RL_RXFIFO_32BYTES	0x00002000
297 #define RL_RXFIFO_64BYTES	0x00004000
298 #define RL_RXFIFO_128BYTES	0x00006000
299 #define RL_RXFIFO_256BYTES	0x00008000
300 #define RL_RXFIFO_512BYTES	0x0000A000
301 #define RL_RXFIFO_1024BYTES	0x0000C000
302 #define RL_RXFIFO_NOTHRESH	0x0000E000
303 
304 /*
305  * Bits in RX status header (included with RX'ed packet
306  * in ring buffer).
307  */
308 #define RL_RXSTAT_RXOK		0x00000001
309 #define RL_RXSTAT_ALIGNERR	0x00000002
310 #define RL_RXSTAT_CRCERR	0x00000004
311 #define RL_RXSTAT_GIANT		0x00000008
312 #define RL_RXSTAT_RUNT		0x00000010
313 #define RL_RXSTAT_BADSYM	0x00000020
314 #define RL_RXSTAT_BROAD		0x00002000
315 #define RL_RXSTAT_INDIV		0x00004000
316 #define RL_RXSTAT_MULTI		0x00008000
317 #define RL_RXSTAT_LENMASK	0xFFFF0000
318 
319 #define RL_RXSTAT_UNFINISHED	0xFFF0		/* DMA still in progress */
320 /*
321  * Command register.
322  */
323 #define RL_CMD_EMPTY_RXBUF	0x0001
324 #define RL_CMD_TX_ENB		0x0004
325 #define RL_CMD_RX_ENB		0x0008
326 #define RL_CMD_RESET		0x0010
327 #define RL_CMD_STOPREQ		0x0080
328 
329 /*
330  * EEPROM control register
331  */
332 #define RL_EE_DATAOUT		0x01	/* Data out */
333 #define RL_EE_DATAIN		0x02	/* Data in */
334 #define RL_EE_CLK		0x04	/* clock */
335 #define RL_EE_SEL		0x08	/* chip select */
336 #define RL_EE_MODE		(0x40|0x80)
337 
338 #define RL_EEMODE_OFF		0x00
339 #define RL_EEMODE_AUTOLOAD	0x40
340 #define RL_EEMODE_PROGRAM	0x80
341 #define RL_EEMODE_WRITECFG	(0x80|0x40)
342 
343 /* 9346/9356 EEPROM commands */
344 
345 #define RL_9346_ADDR_LEN	6	/* 93C46 1K: 128x16 */
346 #define RL_9356_ADDR_LEN	8	/* 93C56 2K: 256x16 */
347 
348 #define RL_9346_WRITE		0x5
349 #define RL_9346_READ		0x6
350 #define RL_9346_ERASE		0x7
351 #define RL_9346_EWEN		0x4
352 #define RL_9346_EWEN_ADDR	0x30
353 #define RL_9456_EWDS		0x4
354 #define RL_9346_EWDS_ADDR	0x00
355 
356 #define RL_EECMD_WRITE		0x5	/* 0101b */
357 #define RL_EECMD_READ		0x6	/* 0110b */
358 #define RL_EECMD_ERASE		0x7	/* 0111b */
359 #define RL_EECMD_LEN		4
360 
361 #define RL_EEADDR_LEN0		6	/* 9346 */
362 #define RL_EEADDR_LEN1		8	/* 9356 */
363 
364 #define RL_EECMD_READ_6BIT	0x180	/* XXX  */
365 #define RL_EECMD_READ_8BIT	0x600	/* EECMD_READ above maybe wrong? */
366 
367 #define RL_EE_ID		0x00
368 #define RL_EE_PCI_VID		0x01
369 #define RL_EE_PCI_DID		0x02
370 /* Location of station address inside EEPROM */
371 #define RL_EE_EADDR		0x07
372 
373 /*
374  * MII register (8129 only)
375  */
376 #define RL_MII_CLK		0x01
377 #define RL_MII_DATAIN		0x02
378 #define RL_MII_DATAOUT		0x04
379 #define RL_MII_DIR		0x80	/* 0 == input, 1 == output */
380 
381 /*
382  * Config 0 register
383  */
384 #define RL_CFG0_ROM0		0x01
385 #define RL_CFG0_ROM1		0x02
386 #define RL_CFG0_ROM2		0x04
387 #define RL_CFG0_PL0		0x08
388 #define RL_CFG0_PL1		0x10
389 #define RL_CFG0_10MBPS		0x20	/* 10 Mbps internal mode */
390 #define RL_CFG0_PCS		0x40
391 #define RL_CFG0_SCR		0x80
392 
393 /*
394  * Config 1 register
395  */
396 #define RL_CFG1_PWRDWN		0x01
397 #define RL_CFG1_PME		0x01
398 #define RL_CFG1_SLEEP		0x02
399 #define RL_CFG1_VPDEN		0x02
400 #define RL_CFG1_IOMAP		0x04
401 #define RL_CFG1_MEMMAP		0x08
402 #define RL_CFG1_RSVD		0x10
403 #define RL_CFG1_LWACT		0x10
404 #define RL_CFG1_DRVLOAD		0x20
405 #define RL_CFG1_LED0		0x40
406 #define RL_CFG1_FULLDUPLEX	0x40	/* 8129 only */
407 #define RL_CFG1_LED1		0x80
408 
409 /*
410  * Config 2 register
411  */
412 #define RL_CFG2_PCI_MASK	0x07
413 #define RL_CFG2_PCI_33MHZ	0x00
414 #define RL_CFG2_PCI_66MHZ	0x01
415 #define RL_CFG2_PCI_64BIT	0x08
416 #define RL_CFG2_AUXPWR		0x10
417 
418 /*
419  * Config 3 register
420  */
421 #define RL_CFG3_GRANTSEL	0x80
422 #define RL_CFG3_WOL_MAGIC	0x20
423 #define RL_CFG3_WOL_LINK	0x10
424 #define RL_CFG3_FAST_B2B	0x01
425 
426 /*
427  * Config 4 register
428  */
429 #define RL_CFG4_LWPTN		0x04
430 #define RL_CFG4_LWPME		0x10
431 
432 /*
433  * Config 5 register
434  */
435 #define RL_CFG5_WOL_BCAST	0x40
436 #define RL_CFG5_WOL_MCAST	0x20
437 #define RL_CFG5_WOL_UCAST	0x10
438 #define RL_CFG5_WOL_LANWAKE	0x02
439 #define RL_CFG5_PME_STS		0x01
440 
441 /*
442  * 8139C+ register definitions
443  */
444 
445 /* RL_DUMPSTATS_LO register */
446 
447 #define RL_DUMPSTATS_START	0x00000008
448 
449 /* Transmit start register */
450 
451 #define RL_TXSTART_SWI		0x01	/* generate TX interrupt */
452 #define RL_TXSTART_START	0x40	/* start normal queue transmit */
453 #define RL_TXSTART_HPRIO_START	0x80	/* start hi prio queue transmit */
454 
455 /*
456  * Config 2 register, 8139C+/8169/8169S/8110S only
457  */
458 #define RL_CFG2_BUSFREQ		0x07
459 #define RL_CFG2_BUSWIDTH	0x08
460 #define RL_CFG2_AUXPWRSTS	0x10
461 
462 #define RL_BUSFREQ_33MHZ	0x00
463 #define RL_BUSFREQ_66MHZ	0x01
464 
465 #define RL_BUSWIDTH_32BITS	0x00
466 #define RL_BUSWIDTH_64BITS	0x08
467 
468 /* C+ mode command register */
469 
470 #define RL_CPLUSCMD_TXENB	0x0001	/* enable C+ transmit mode */
471 #define RL_CPLUSCMD_RXENB	0x0002	/* enable C+ receive mode */
472 #define RL_CPLUSCMD_PCI_MRW	0x0008	/* enable PCI multi-read/write */
473 #define RL_CPLUSCMD_PCI_DAC	0x0010	/* PCI dual-address cycle only */
474 #define RL_CPLUSCMD_RXCSUM_ENB	0x0020	/* enable RX checksum offload */
475 #define RL_CPLUSCMD_VLANSTRIP	0x0040	/* enable VLAN tag stripping */
476 #define	RL_CPLUSCMD_MACSTAT_DIS	0x0080	/* 8168B/C/CP */
477 #define	RL_CPLUSCMD_ASF		0x0100	/* 8168C/CP */
478 #define	RL_CPLUSCMD_DBG_SEL	0x0200	/* 8168C/CP */
479 #define	RL_CPLUSCMD_FORCE_TXFC	0x0400	/* 8168C/CP */
480 #define	RL_CPLUSCMD_FORCE_RXFC	0x0800	/* 8168C/CP */
481 #define	RL_CPLUSCMD_FORCE_HDPX	0x1000	/* 8168C/CP */
482 #define	RL_CPLUSCMD_NORMAL_MODE	0x2000	/* 8168C/CP */
483 #define	RL_CPLUSCMD_DBG_ENB	0x4000	/* 8168C/CP */
484 #define	RL_CPLUSCMD_BIST_ENB	0x8000	/* 8168C/CP */
485 
486 /* C+ early transmit threshold */
487 
488 #define RL_EARLYTXTHRESH_CNT	0x003F	/* byte count times 8 */
489 
490 /*
491  * Gigabit PHY access register (8169 only)
492  */
493 
494 #define RL_PHYAR_PHYDATA	0x0000FFFF
495 #define RL_PHYAR_PHYREG		0x001F0000
496 #define RL_PHYAR_BUSY		0x80000000
497 
498 /*
499  * Gigabit media status (8169 only)
500  */
501 #define RL_GMEDIASTAT_FDX	0x01	/* full duplex */
502 #define RL_GMEDIASTAT_LINK	0x02	/* link up */
503 #define RL_GMEDIASTAT_10MBPS	0x04	/* 10mps link */
504 #define RL_GMEDIASTAT_100MBPS	0x08	/* 100mbps link */
505 #define RL_GMEDIASTAT_1000MBPS	0x10	/* gigE link */
506 #define RL_GMEDIASTAT_RXFLOW	0x20	/* RX flow control on */
507 #define RL_GMEDIASTAT_TXFLOW	0x40	/* TX flow control on */
508 #define RL_GMEDIASTAT_TBI	0x80	/* TBI enabled */
509 
510 /*
511  * The RealTek doesn't use a fragment-based descriptor mechanism.
512  * Instead, there are only four register sets, each of which represents
513  * one 'descriptor.' Basically, each TX descriptor is just a contiguous
514  * packet buffer (32-bit aligned!) and we place the buffer addresses in
515  * the registers so the chip knows where they are.
516  *
517  * We can sort of kludge together the same kind of buffer management
518  * used in previous drivers, but we have to do buffer copies almost all
519  * the time, so it doesn't really buy us much.
520  *
521  * For reception, there's just one large buffer where the chip stores
522  * all received packets.
523  */
524 
525 #define RL_RX_BUF_SZ		RL_RXBUF_64
526 #define RL_RXBUFLEN		(1 << ((RL_RX_BUF_SZ >> 11) + 13))
527 #define RL_TX_LIST_CNT		4
528 #define RL_MIN_FRAMELEN		60
529 #define RL_TXTHRESH(x)		((x) << 11)
530 #define RL_TX_THRESH_INIT	96
531 #define RL_RX_FIFOTHRESH	RL_RXFIFO_NOTHRESH
532 #define RL_RX_MAXDMA		RL_RXDMA_UNLIMITED
533 #define RL_TX_MAXDMA		RL_TXDMA_2048BYTES
534 
535 #define RL_RXCFG_CONFIG		(RL_RX_FIFOTHRESH|RL_RX_MAXDMA|RL_RX_BUF_SZ)
536 #define RL_TXCFG_CONFIG		(RL_TXCFG_IFG|RL_TX_MAXDMA)
537 
538 #define RL_IM_MAGIC		0x5050
539 #define RL_IM_RXTIME(t)		((t) & 0xf)
540 #define RL_IM_TXTIME(t)		(((t) & 0xf) << 8)
541 
542 struct rl_chain_data {
543 	u_int16_t		cur_rx;
544 	caddr_t			rl_rx_buf;
545 	caddr_t			rl_rx_buf_ptr;
546 	bus_addr_t		rl_rx_buf_pa;
547 
548 	struct mbuf		*rl_tx_chain[RL_TX_LIST_CNT];
549 	bus_dmamap_t		rl_tx_dmamap[RL_TX_LIST_CNT];
550 	u_int8_t		last_tx;
551 	u_int8_t		cur_tx;
552 };
553 
554 
555 /*
556  * The 8139C+ and 8160 gigE chips support descriptor-based TX
557  * and RX. In fact, they even support TCP large send. Descriptors
558  * must be allocated in contiguous blocks that are aligned on a
559  * 256-byte boundary. The rings can hold a maximum of 64 descriptors.
560  */
561 
562 /*
563  * RX/TX descriptor definition. When large send mode is enabled, the
564  * lower 11 bits of the TX rl_cmd word are used to hold the MSS, and
565  * the checksum offload bits are disabled. The structure layout is
566  * the same for RX and TX descriptors
567  */
568 
569 struct rl_desc {
570 	volatile u_int32_t	rl_cmdstat;
571 	volatile u_int32_t	rl_vlanctl;
572 	volatile u_int32_t	rl_bufaddr_lo;
573 	volatile u_int32_t	rl_bufaddr_hi;
574 };
575 
576 #define RL_TDESC_CMD_FRAGLEN	0x0000FFFF
577 #define RL_TDESC_CMD_TCPCSUM	0x00010000	/* TCP checksum enable */
578 #define RL_TDESC_CMD_UDPCSUM	0x00020000	/* UDP checksum enable */
579 #define RL_TDESC_CMD_IPCSUM	0x00040000	/* IP header checksum enable */
580 #define RL_TDESC_CMD_MSSVAL	0x07FF0000	/* Large send MSS value */
581 #define RL_TDESC_CMD_LGSEND	0x08000000	/* TCP large send enb */
582 #define RL_TDESC_CMD_EOF	0x10000000	/* end of frame marker */
583 #define RL_TDESC_CMD_SOF	0x20000000	/* start of frame marker */
584 #define RL_TDESC_CMD_EOR	0x40000000	/* end of ring marker */
585 #define RL_TDESC_CMD_OWN	0x80000000	/* chip owns descriptor */
586 
587 #define RL_TDESC_VLANCTL_TAG	0x00020000	/* Insert VLAN tag */
588 #define RL_TDESC_VLANCTL_DATA	0x0000FFFF	/* TAG data */
589 /* RTL8168C/RTL8168CP/RTL8111C/RTL8111CP */
590 #define	RL_TDESC_CMD_IPCSUMV2	0x20000000
591 #define	RL_TDESC_CMD_TCPCSUMV2	0x40000000
592 #define	RL_TDESC_CMD_UDPCSUMV2	0x80000000
593 
594 /*
595  * Error bits are valid only on the last descriptor of a frame
596  * (i.e. RL_TDESC_CMD_EOF == 1)
597  */
598 
599 #define RL_TDESC_STAT_COLCNT	0x000F0000	/* collision count */
600 #define RL_TDESC_STAT_EXCESSCOL	0x00100000	/* excessive collisions */
601 #define RL_TDESC_STAT_LINKFAIL	0x00200000	/* link faulure */
602 #define RL_TDESC_STAT_OWINCOL	0x00400000	/* out-of-window collision */
603 #define RL_TDESC_STAT_TXERRSUM	0x00800000	/* transmit error summary */
604 #define RL_TDESC_STAT_UNDERRUN	0x02000000	/* TX underrun occured */
605 #define RL_TDESC_STAT_OWN	0x80000000
606 
607 /*
608  * RX descriptor cmd/vlan definitions
609  */
610 
611 #define RL_RDESC_CMD_EOR	0x40000000
612 #define RL_RDESC_CMD_OWN	0x80000000
613 #define RL_RDESC_CMD_BUFLEN	0x00001FFF
614 
615 #define RL_RDESC_STAT_OWN	0x80000000
616 #define RL_RDESC_STAT_EOR	0x40000000
617 #define RL_RDESC_STAT_SOF	0x20000000
618 #define RL_RDESC_STAT_EOF	0x10000000
619 #define RL_RDESC_STAT_FRALIGN	0x08000000	/* frame alignment error */
620 #define RL_RDESC_STAT_MCAST	0x04000000	/* multicast pkt received */
621 #define RL_RDESC_STAT_UCAST	0x02000000	/* unicast pkt received */
622 #define RL_RDESC_STAT_BCAST	0x01000000	/* broadcast pkt received */
623 #define RL_RDESC_STAT_BUFOFLOW	0x00800000	/* out of buffer space */
624 #define RL_RDESC_STAT_FIFOOFLOW	0x00400000	/* FIFO overrun */
625 #define RL_RDESC_STAT_GIANT	0x00200000	/* pkt > 4096 bytes */
626 #define RL_RDESC_STAT_RXERRSUM	0x00100000	/* RX error summary */
627 #define RL_RDESC_STAT_RUNT	0x00080000	/* runt packet received */
628 #define RL_RDESC_STAT_CRCERR	0x00040000	/* CRC error */
629 #define RL_RDESC_STAT_PROTOID	0x00030000	/* Protocol type */
630 #define	RL_RDESC_STAT_UDP	0x00020000	/* UDP, 8168C/CP, 8111C/CP */
631 #define	RL_RDESC_STAT_TCP	0x00010000	/* TCP, 8168C/CP, 8111C/CP */
632 #define RL_RDESC_STAT_IPSUMBAD	0x00008000	/* IP header checksum bad */
633 #define RL_RDESC_STAT_UDPSUMBAD	0x00004000	/* UDP checksum bad */
634 #define RL_RDESC_STAT_TCPSUMBAD	0x00002000	/* TCP checksum bad */
635 #define RL_RDESC_STAT_FRAGLEN	0x00001FFF	/* RX'ed frame/frag len */
636 #define RL_RDESC_STAT_GFRAGLEN	0x00003FFF	/* RX'ed frame/frag len */
637 #define RL_RDESC_STAT_ERRS	(RL_RDESC_STAT_GIANT|RL_RDESC_STAT_RUNT| \
638 				 RL_RDESC_STAT_CRCERR)
639 
640 #define RL_RDESC_VLANCTL_TAG	0x00010000	/* VLAN tag available
641 						   (rl_vlandata valid)*/
642 #define RL_RDESC_VLANCTL_DATA	0x0000FFFF	/* TAG data */
643 /* RTL8168C/RTL8168CP/RTL8111C/RTL8111CP */
644 #define	RL_RDESC_IPV6		0x80000000
645 #define	RL_RDESC_IPV4		0x40000000
646 
647 #define RL_PROTOID_NONIP	0x00000000
648 #define RL_PROTOID_TCPIP	0x00010000
649 #define RL_PROTOID_UDPIP	0x00020000
650 #define RL_PROTOID_IP		0x00030000
651 #define RL_TCPPKT(x)		(((x) & RL_RDESC_STAT_PROTOID) == \
652 				 RL_PROTOID_TCPIP)
653 #define RL_UDPPKT(x)		(((x) & RL_RDESC_STAT_PROTOID) == \
654 				 RL_PROTOID_UDPIP)
655 
656 /*
657  * Statistics counter structure (8139C+ and 8169 only)
658  */
659 struct rl_stats {
660 	u_int32_t		rl_tx_pkts_lo;
661 	u_int32_t		rl_tx_pkts_hi;
662 	u_int32_t		rl_tx_errs_lo;
663 	u_int32_t		rl_tx_errs_hi;
664 	u_int32_t		rl_tx_errs;
665 	u_int16_t		rl_missed_pkts;
666 	u_int16_t		rl_rx_framealign_errs;
667 	u_int32_t		rl_tx_onecoll;
668 	u_int32_t		rl_tx_multicolls;
669 	u_int32_t		rl_rx_ucasts_hi;
670 	u_int32_t		rl_rx_ucasts_lo;
671 	u_int32_t		rl_rx_bcasts_lo;
672 	u_int32_t		rl_rx_bcasts_hi;
673 	u_int32_t		rl_rx_mcasts;
674 	u_int16_t		rl_tx_aborts;
675 	u_int16_t		rl_rx_underruns;
676 };
677 
678 #define RL_RX_DESC_CNT		64
679 #define RL_TX_DESC_CNT_8139	64
680 #define RL_TX_DESC_CNT_8169	512
681 
682 #define RL_TX_QLEN		64
683 
684 #define RL_NTXDESC_RSVD		4
685 
686 #define RL_RX_LIST_SZ		(RL_RX_DESC_CNT * sizeof(struct rl_desc))
687 #define RL_RING_ALIGN		256
688 #define RL_PKTSZ(x)		((x)/* >> 3*/)
689 #ifdef __STRICT_ALIGNMENT
690 #define RE_ETHER_ALIGN		2
691 #define RE_RX_DESC_BUFLEN	(MCLBYTES - RE_ETHER_ALIGN)
692 #else
693 #define RE_ETHER_ALIGN		0
694 #define RE_RX_DESC_BUFLEN	MCLBYTES
695 #endif
696 
697 #define RL_TX_DESC_CNT(sc)	\
698 	((sc)->rl_ldata.rl_tx_desc_cnt)
699 #define RL_TX_LIST_SZ(sc)	\
700 	(RL_TX_DESC_CNT(sc) * sizeof(struct rl_desc))
701 #define RL_NEXT_TX_DESC(sc, x)	\
702 	(((x) + 1) % RL_TX_DESC_CNT(sc))
703 #define RL_NEXT_RX_DESC(sc, x)	\
704 	(((x) + 1) % RL_RX_DESC_CNT)
705 #define RL_NEXT_TXQ(sc, x)	\
706 	(((x) + 1) % RL_TX_QLEN)
707 
708 #define RL_TXDESCSYNC(sc, idx, ops)		\
709 	bus_dmamap_sync((sc)->sc_dmat,		\
710 	    (sc)->rl_ldata.rl_tx_list_map,	\
711 	    sizeof(struct rl_desc) * (idx),	\
712 	    sizeof(struct rl_desc),		\
713 	    (ops))
714 #define RL_RXDESCSYNC(sc, idx, ops)		\
715 	bus_dmamap_sync((sc)->sc_dmat,		\
716 	    (sc)->rl_ldata.rl_rx_list_map,	\
717 	    sizeof(struct rl_desc) * (idx),	\
718 	    sizeof(struct rl_desc),		\
719 	    (ops))
720 
721 #define RL_ADDR_LO(y)	((u_int64_t) (y) & 0xFFFFFFFF)
722 #define RL_ADDR_HI(y)	((u_int64_t) (y) >> 32)
723 
724 /* see comment in dev/ic/re.c */
725 #define RL_JUMBO_FRAMELEN	7440
726 #define RL_JUMBO_MTU		(RL_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
727 
728 #define MAX_NUM_MULTICAST_ADDRESSES	128
729 
730 #define RL_INC(x)		(x = (x + 1) % RL_TX_LIST_CNT)
731 #define RL_CUR_TXADDR(x)	((x->rl_cdata.cur_tx * 4) + RL_TXADDR0)
732 #define RL_CUR_TXSTAT(x)	((x->rl_cdata.cur_tx * 4) + RL_TXSTAT0)
733 #define RL_CUR_TXMBUF(x)	(x->rl_cdata.rl_tx_chain[x->rl_cdata.cur_tx])
734 #define RL_CUR_TXMAP(x)		(x->rl_cdata.rl_tx_dmamap[x->rl_cdata.cur_tx])
735 #define RL_LAST_TXADDR(x)	((x->rl_cdata.last_tx * 4) + RL_TXADDR0)
736 #define RL_LAST_TXSTAT(x)	((x->rl_cdata.last_tx * 4) + RL_TXSTAT0)
737 #define RL_LAST_TXMBUF(x)	(x->rl_cdata.rl_tx_chain[x->rl_cdata.last_tx])
738 #define RL_LAST_TXMAP(x)	(x->rl_cdata.rl_tx_dmamap[x->rl_cdata.last_tx])
739 
740 struct rl_type {
741 	u_int16_t		rl_vid;
742 	u_int16_t		rl_did;
743 };
744 
745 struct rl_mii_frame {
746 	u_int8_t		mii_stdelim;
747 	u_int8_t		mii_opcode;
748 	u_int8_t		mii_phyaddr;
749 	u_int8_t		mii_regaddr;
750 	u_int8_t		mii_turnaround;
751 	u_int16_t		mii_data;
752 };
753 
754 /*
755  * MII constants
756  */
757 #define RL_MII_STARTDELIM	0x01
758 #define RL_MII_READOP		0x02
759 #define RL_MII_WRITEOP		0x01
760 #define RL_MII_TURNAROUND	0x02
761 
762 #define	RL_UNKNOWN		0
763 #define RL_8129			1
764 #define RL_8139			2
765 
766 struct rl_rxsoft {
767 	struct mbuf		*rxs_mbuf;
768 	bus_dmamap_t		rxs_dmamap;
769 };
770 
771 struct rl_txq {
772 	struct mbuf *txq_mbuf;
773 	bus_dmamap_t txq_dmamap;
774 	int txq_descidx;
775 	int txq_nsegs;
776 };
777 
778 struct rl_list_data {
779 	struct rl_txq		rl_txq[RL_TX_QLEN];
780 	int			rl_txq_considx;
781 	int			rl_txq_prodidx;
782 
783 	bus_dmamap_t		rl_tx_list_map;
784 	struct rl_desc		*rl_tx_list;
785 	int			rl_tx_free;	/* # of free descriptors */
786 	int			rl_tx_nextfree; /* next descriptor to use */
787 	int			rl_tx_desc_cnt; /* # of descriptors */
788 	bus_dma_segment_t	rl_tx_listseg;
789 	int			rl_tx_listnseg;
790 
791 	struct rl_rxsoft	rl_rxsoft[RL_RX_DESC_CNT];
792 	bus_dmamap_t		rl_rx_list_map;
793 	struct rl_desc		*rl_rx_list;
794 	int			rl_rx_considx;
795 	int			rl_rx_prodidx;
796 	int			rl_rx_cnt;
797 	bus_dma_segment_t	rl_rx_listseg;
798 	int			rl_rx_listnseg;
799 };
800 
801 struct rl_softc {
802 	struct device		sc_dev;		/* us, as a device */
803 	void *			sc_ih;		/* interrupt vectoring */
804 	bus_space_handle_t	rl_bhandle;	/* bus space handle */
805 	bus_space_tag_t		rl_btag;	/* bus space tag */
806 	bus_dma_tag_t		sc_dmat;
807 	bus_dma_segment_t 	sc_rx_seg;
808 	bus_dmamap_t		sc_rx_dmamap;
809 	struct arpcom		sc_arpcom;	/* interface info */
810 	struct mii_data		sc_mii;		/* MII information */
811 	u_int8_t		rl_type;
812 	u_int32_t		sc_hwrev;
813 	int			rl_eecmd_read;
814 	int			rl_eewidth;
815 	int			rl_bus_speed;
816 	int			rl_txthresh;
817 	struct rl_chain_data	rl_cdata;
818 	struct timeout		sc_tick_tmo;
819 
820 	struct rl_list_data	rl_ldata;
821 	struct mbuf		*rl_head;
822 	struct mbuf		*rl_tail;
823 	u_int32_t		rl_rxlenmask;
824 	int			rl_testmode;
825 	struct timeout		timer_handle;
826 
827 	int			rl_txstart;
828 	u_int32_t		rl_flags;
829 #define	RL_FLAG_MSI		0x00000001
830 #define	RL_FLAG_PCI64		0x00000002
831 #define	RL_FLAG_PCIE		0x00000004
832 #define	RL_FLAG_INVMAR		0x00000008
833 #define	RL_FLAG_PHYWAKE		0x00000010
834 #define	RL_FLAG_NOJUMBO		0x00000020
835 #define	RL_FLAG_PAR		0x00000040
836 #define	RL_FLAG_DESCV2		0x00000080
837 #define	RL_FLAG_MACSTAT		0x00000100
838 #define	RL_FLAG_HWIM		0x00000200
839 #define	RL_FLAG_TIMERINTR	0x00000400
840 #define	RL_FLAG_MACLDPS		0x00000800
841 #define	RL_FLAG_CMDSTOP		0x00001000
842 #define	RL_FLAG_MACSLEEP	0x00002000
843 #define	RL_FLAG_AUTOPAD		0x00004000
844 #define	RL_FLAG_LINK		0x00008000
845 #define	RL_FLAG_PHYWAKE_PM	0x00010000
846 
847 	u_int16_t		rl_intrs;
848 	u_int16_t		rl_tx_ack;
849 	u_int16_t		rl_rx_ack;
850 	int			rl_tx_time;
851 	int			rl_rx_time;
852 	int			rl_sim_time;
853 	int			rl_imtype;
854 #define	RL_IMTYPE_NONE		0
855 #define	RL_IMTYPE_SIM		1	/* simulated */
856 #define	RL_IMTYPE_HW		2	/* hardware based */
857 };
858 
859 /*
860  * re(4) hardware ip4csum-tx could be mangled with 28 byte or less IP packets
861  */
862 #define RL_IP4CSUMTX_MINLEN	28
863 #define RL_IP4CSUMTX_PADLEN	(ETHER_HDR_LEN + RL_IP4CSUMTX_MINLEN)
864 /*
865  * XXX
866  * We are allocating pad DMA buffer after RX DMA descs for now
867  * because RL_TX_LIST_SZ(sc) always occupies whole page but
868  * RL_RX_LIST_SZ is less than PAGE_SIZE so there is some unused region.
869  */
870 #define RL_RX_DMAMEM_SZ		(RL_RX_LIST_SZ + RL_IP4CSUMTX_PADLEN)
871 #define RL_TXPADOFF		RL_RX_LIST_SZ
872 #define RL_TXPADDADDR(sc)	\
873 	((sc)->rl_ldata.rl_rx_list_map->dm_segs[0].ds_addr + RL_TXPADOFF)
874 
875 /*
876  * register space access macros
877  */
878 #define CSR_WRITE_RAW_4(sc, csr, val) \
879 	bus_space_write_raw_region_4(sc->rl_btag, sc->rl_bhandle, csr, val, 4)
880 #define CSR_WRITE_4(sc, csr, val) \
881 	bus_space_write_4(sc->rl_btag, sc->rl_bhandle, csr, val)
882 #define CSR_WRITE_2(sc, csr, val) \
883 	bus_space_write_2(sc->rl_btag, sc->rl_bhandle, csr, val)
884 #define CSR_WRITE_1(sc, csr, val) \
885 	bus_space_write_1(sc->rl_btag, sc->rl_bhandle, csr, val)
886 
887 #define CSR_READ_4(sc, csr) \
888 	bus_space_read_4(sc->rl_btag, sc->rl_bhandle, csr)
889 #define CSR_READ_2(sc, csr) \
890 	bus_space_read_2(sc->rl_btag, sc->rl_bhandle, csr)
891 #define CSR_READ_1(sc, csr) \
892 	bus_space_read_1(sc->rl_btag, sc->rl_bhandle, csr)
893 
894 #define CSR_SETBIT_1(sc, offset, val)		\
895 	CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) | (val))
896 
897 #define CSR_CLRBIT_1(sc, offset, val)		\
898 	CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) & ~(val))
899 
900 #define CSR_SETBIT_2(sc, offset, val)		\
901 	CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) | (val))
902 
903 #define CSR_CLRBIT_2(sc, offset, val)		\
904 	CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) & ~(val))
905 
906 #define CSR_SETBIT_4(sc, offset, val)		\
907 	CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) | (val))
908 
909 #define CSR_CLRBIT_4(sc, offset, val)		\
910 	CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) & ~(val))
911 
912 #define RL_TIMEOUT		1000
913 #define RL_PHY_TIMEOUT		20
914 
915 /*
916  * General constants that are fun to know.
917  *
918  * RealTek PCI vendor ID
919  */
920 #define	RT_VENDORID				0x10EC
921 
922 /*
923  * RealTek chip device IDs.
924  */
925 #define RT_DEVICEID_8129			0x8129
926 #define RT_DEVICEID_8101E			0x8136
927 #define RT_DEVICEID_8138			0x8138
928 #define RT_DEVICEID_8139			0x8139
929 #define RT_DEVICEID_8169SC			0x8167
930 #define RT_DEVICEID_8168			0x8168
931 #define RT_DEVICEID_8169			0x8169
932 #define RT_DEVICEID_8100			0x8100
933 
934 /*
935  * Accton PCI vendor ID
936  */
937 #define ACCTON_VENDORID				0x1113
938 
939 /*
940  * Accton MPX 5030/5038 device ID.
941  */
942 #define ACCTON_DEVICEID_5030			0x1211
943 
944 /*
945  * Delta Electronics Vendor ID.
946  */
947 #define DELTA_VENDORID				0x1500
948 
949 /*
950  * Delta device IDs.
951  */
952 #define DELTA_DEVICEID_8139			0x1360
953 
954 /*
955  * Addtron vendor ID.
956  */
957 #define ADDTRON_VENDORID			0x4033
958 
959 /*
960  * Addtron device IDs.
961  */
962 #define ADDTRON_DEVICEID_8139			0x1360
963 
964 /* D-Link Vendor ID */
965 #define DLINK_VENDORID				0x1186
966 
967 /* D-Link device IDs */
968 #define DLINK_DEVICEID_8139			0x1300
969 #define DLINK_DEVICEID_8139_2			0x1340
970 
971 /* Abocom device IDs */
972 #define ABOCOM_DEVICEID_8139			0xab06
973 
974 /*
975  * PCI low memory base and low I/O base register, and
976  * other PCI registers. Note: some are only available on
977  * the 3c905B, in particular those that related to power management.
978  */
979 
980 #define RL_PCI_VENDOR_ID	0x00
981 #define RL_PCI_DEVICE_ID	0x02
982 #define RL_PCI_COMMAND		0x04
983 #define RL_PCI_STATUS		0x06
984 #define RL_PCI_CLASSCODE	0x09
985 #define RL_PCI_LATENCY_TIMER	0x0D
986 #define RL_PCI_HEADER_TYPE	0x0E
987 #define RL_PCI_LOIO		0x10
988 #define RL_PCI_LOMEM		0x14
989 #define RL_PCI_BIOSROM		0x30
990 #define RL_PCI_INTLINE		0x3C
991 #define RL_PCI_INTPIN		0x3D
992 #define RL_PCI_MINGNT		0x3E
993 #define RL_PCI_MINLAT		0x0F
994 #define RL_PCI_PMCSR		0x44
995 #define RL_PCI_RESETOPT		0x48
996 #define RL_PCI_EEPROM_DATA	0x4C
997 
998 #define RL_PCI_CAPID		0x50 /* 8 bits */
999 #define RL_PCI_NEXTPTR		0x51 /* 8 bits */
1000 #define RL_PCI_PWRMGMTCAP	0x52 /* 16 bits */
1001 #define RL_PCI_PWRMGMTCTRL	0x54 /* 16 bits */
1002 
1003 #define RL_PSTATE_MASK		0x0003
1004 #define RL_PSTATE_D0		0x0000
1005 #define RL_PSTATE_D1		0x0001
1006 #define RL_PSTATE_D2		0x0002
1007 #define RL_PSTATE_D3		0x0003
1008 #define RL_PME_EN		0x0100
1009 #define RL_PME_STATUS		0x8000
1010 
1011 extern int rl_attach(struct rl_softc *);
1012 extern int rl_intr(void *);
1013 extern void rl_setmulti(struct rl_softc *);
1014 int rl_detach(struct rl_softc *);
1015 int rl_activate(struct device *, int);
1016